Finding the Fourth Proportional to 272,672.14, 409,106.64 and 95,205.30
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Solution
The fourth proportional to 272,672.14, 409,106.64 and 95,205.30 is: 142,842.32
Step by Step Solution
- Step 1: Write the proportion equation
272,672.14 : 409,106.64 = 95,205.30 : x - Step 2: Convert to fraction form
272,672.14/409,106.64 = 95,205.30/x - Step 3: Cross multiply
272,672.14x = 409,106.64 × 95,205.30 - Step 4: Simplify right side
272,672.14x = 38,949,120,393.19 - Step 5: Solve for x
x = 38,949,120,393.19/272,672.14 - Step 6: Final answer
x = 142,842.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.